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13970 (1991 RH27)
Classification: Main-belt Asteroid          SPK-ID: 2013970
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873346278596919 6.1442e-08  
a 2.244975033770067 1.3351e-08 AU
q 1.824413471264452 1.4454e-07 AU
i 4.845309816670638 5.598e-06 deg
node 149.5032998686501 6.5904e-05 deg
peri 167.8166356434429 6.7595e-05 deg
M 3.206032632807625 1.6108e-05 deg
tp 2456989.558392337769
(2014-Nov-28.05839234)
5.494e-05 JED
period 1228.614680367045
3.36
1.096e-05
3.001e-08
d
yr
n .293012940308064 2.6139e-09 deg/d
Q 2.665536596275682 1.5853e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      8370 days (22.92 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53106  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:36:59  

Additional Information
 Earth MOID = .812333 AU 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO302152  

13970 (1991 RH27)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RH27 = 1991 TA6 = 1997 GA39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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